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Stock-Based Compensation - Schedule of Compensation Based Stock Option Activity (Details) - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Compensation Related Costs [Abstract]      
Options Outstanding, Beginning Balance 3,941,301 6,145,044 6,785,617
Options Outstanding, Expired or canceled (2,203,743) (640,573)
Options Outstanding, Ending Balance 3,941,301 3,941,301 6,145,044
Weighted Average Exercise Price Outstanding, Beginning Balance $ 0.78 $ 0.75 $ 0.75
Weighted Average Exercise Price, Expired or canceled   0.70 0.62
Weighted Average Exercise Price Outstanding, Ending Balance $ 0.78 $ 0.78 $ 0.75